Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!

Tutors Answer Your Questions about Functions (FREE)

Question 662624: find the gradient of this line. y=-2x+5
Click here to see answer by stanbon(75887)

Question 662630: domian and range of a function 5/(x-2)
Click here to see answer by MathLover1(20849)

Question 662669: Find the inverse of y=2√(x+3). Thanks!
Click here to see answer by lwsshak3(11628)

Question 662711: Find the difference quotient of f; that is, find f(x+h)-f(x)/h, h≠0, for the following function. Be sure to simplify
f(x)=-2x+6x+2
Click here to see answer by Alan3354(69443)

Question 662913: f(x)=2x+4 find the inverse function, domain and range of inverse function

Click here to see answer by stanbon(75887)

Question 663174: the interest on $6000. at 6 percent compounded semi annually fro 8 years is
Click here to see answer by lynnlo(4176)

Question 663282: What is the value of g[f(3)] for the functions f(x) = 3x � 5 and g(x) = x + 1? (Type only the value of your final answer, no variables.)
Change the given equation into slope-intercept form. 3x + 4y = 12
Click here to see answer by Edwin McCravy(20054)

Question 663256: Find f(x) and g(x) such that h(x)=(f o g)(x)
h(x)=10/√(7x+10)
Click here to see answer by jim_thompson5910(35256)

Question 663461: What is 5(3x+6) simplified
Click here to see answer by ReadingBoosters(3246)

Question 663564: What is the domain and range of G(x)=3x-12?
Click here to see answer by lynnlo(4176)

Question 663740: write an equation in pint slope form and slope intercept form
passing through (1,6) and (-1,2)
Click here to see answer by MathLover1(20849)

Question 664231: 1/5x+1/2=-3
Click here to see answer by ReadingBoosters(3246)

Question 664523: please help me solve this problem. Write the given equation as a function of "x"
5x-4y=20.
Thanks
Click here to see answer by ewatrrr(24785)

Question 664713: 2. Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. Y=x�+14x
Domain=R (all real numbers)≥14
Range= {y=r:y≥0}

For example, if you were asked to graph y= x2 + 1 using transformations, you would show the
graph of y = x2 and the graph shifted up 1 unit. Please do not show only the final graph.

Click here to see answer by stanbon(75887)

Question 664920: what is the slope intercept form of 4x+3y=6
Click here to see answer by vleith(2983)

Question 664948: which is not a function y=2,x=2,y=2x,x=2y

Click here to see answer by ewatrrr(24785)

Question 665047: If a is a positive real number, find the following values for the given function. (Simplify your answer completely.)
g(x) = 3x/x^2 + 6
What is the answer if g(1/a)

Click here to see answer by kevwill(135)

Question 664936: The ouput of a function is 14 less than 6 times the input. Find the input when the output is 22

Click here to see answer by kevwill(135)

Question 665054: If a is a positive real number, find the following values for the given function. (Simplify your answer completely.)
g(x) = 3x/(x^2 + 6)
What is the answer if g(1/a)

Click here to see answer by vleith(2983)

Question 663856: difference of quotient h not = 0
Click here to see answer by kevwill(135)

Question 665089: Use the function to answer the question.
f(x) = 10x - 5
What is the value f^-1(-4)?
(Points : 4)
45
35
0.01
0.1

Click here to see answer by ewatrrr(24785)

Question 665253: f(x)=x^2-1x is the function a one to one
Click here to see answer by lynnlo(4176)

Question 665542: Let the function f be defined by f(x)=x^2-7x+10 and f(t+1)=0, what is one possible value of t?
Click here to see answer by bloggauta(8)

Question 665603: Find the inverse of the function.
f(x) = 4x^3 - 7
...is there an inverse? or this not a one to one function?
Click here to see answer by Tatiana_Stebko(1539)

Question 665618: The function f(x)=3x�12 has the domain x∈[�20,10)
what is the range ?
Click here to see answer by lynnlo(4176)

Question 665795: I need to express the function f(x)=x^2-4x+8 in the form f(x)=a(x-h)^2+k and indicate the vertex. I am clueless, please help!
Click here to see answer by MathLover1(20849)

Question 665859: what is the answer to :
(x+5)2
Click here to see answer by ReadingBoosters(3246)

Question 665859: what is the answer to :
(x+5)2
Click here to see answer by Alan3354(69443)

Question 665864: Could you please help me with the following problem:
The following data was obtained for two variables x and y.
x 2 4 -2 3 6
y 5 0 15 2.5 -5
Write an equation expressing the relationship of x and y.
Click here to see answer by MathLover1(20849)

Question 666159: Is a cirlcle a function ?
Click here to see answer by Shana-D77(132)

Question 666149: If f(x)=4x-7,g(x)=3x+18,and h(x)=-5x+2, find (f+g-h(x)
Click here to see answer by Shana-D77(132)

Question 666176: Consider the function:
y(x)= e(-x^2)
Calculate and draw a sign diagram for the first derivative. Where is the function
increasing or decreasing. Are there any peaks or troughs? Does the function have an
(absolute) maximum.
ii) Calculate and draw a sign diagram for the second derivative. Where is the function
convex or concave. Are there any in�ection points?
Click here to see answer by swincher4391(1107)

Question 666428: (4m)^-2=
use positive exponents only
Click here to see answer by swincher4391(1107)

Question 666445: the length of a rectangleis 8 inches more than it's width. the perimeter of the rectangle is 24 inches. what are the length and width?
Click here to see answer by jakeable(1)

Question 666425: (-3p)^2= simplify your answer
Click here to see answer by lynnlo(4176)

Question 666423: (3x10^5)x(3x10^4)
Click here to see answer by lynnlo(4176)

Question 666423: (3x10^5)x(3x10^4)
Click here to see answer by MathTherapy(10549)

Question 666571: One day at football practice, Darrell, the kicker, punted the ball so that its height in feet above the ground was given by h(t)=-16t^2+40t+4
where t is the number of seconds since the ball was punted.
a.At what time was the football 20 feet or higher above the ground?
b.At what time was the football less than its height when punted?
Click here to see answer by nerdybill(7384)

Question 666619: 11- Show work, for the function f(x)=x�+x, find the average rate of change of f from 1 to x:
a- x�+x+2
x-1
b- x�+x+2
c- x�+2
d- 1

Click here to see answer by swincher4391(1107)

Question 666619: 11- Show work, for the function f(x)=x�+x, find the average rate of change of f from 1 to x:
a- x�+x+2
x-1
b- x�+x+2
c- x�+2
d- 1

Click here to see answer by ewatrrr(24785)

Question 666615: 10- Show work, find the function that is finally graphed after the following transformations are applied to the graph of y=√x in order listed.
1- Reflected about the x-axis (flipped)
2- Shift up 7 units
3- Shift left 4 units
Y=

Click here to see answer by ewatrrr(24785)

Question 666613: 8- Show work, find the average rate of change of f(x)= -3x�+4
a- From -2 to 0
b- From 3 to 5
c- From -2 to 1

Click here to see answer by ewatrrr(24785)

Question 666608: 2- Show work, for the function defined by f(x)=4x+3/ 7x-3 find the following values.

A- F(-1)=
Type an integer or simplified fraction
B- F(-x)=
Simplify your answer
C- -f(x)=
Simplify your answer
D- F(x+h)=
Simplify your answer

Click here to see answer by MathLover1(20849)

Question 666758: Solve for c.
Click here to see answer by ewatrrr(24785)

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